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10. Unscrew the motors four attachment screws
11. Fit the two guide pins in two of the motor
12. If required, press the motor out of position by
13. Fit the lifting tool to the motor.
14. Lift the motor to get the pinion away from the
15. Remove the motor by gently lifting it straight
3HAC022033-001 Revision: E
Action
3. In horizontal position: unload the upper arm
to avoid movement of the axis, with one of
the given methods:
•
move the upper arm to a position
where the turning disk rests against
the foundation (recommended)
•
use a fork lift or an overhead crane
and lifting slings to rest the weight of
the upper arm.
4. In horizontal position: drain the gearbox,
axis 4.
5. Remove the cable gland cover at the cable
exit of the motor by unscrewing its two
attachment screws.
6. Remove the cover on top of the motor by
unscrewing its four attachment screws.
7. Disconnect all connectors beneath the
motor cover.
8. In order to release the brake, connect the 24
VDC power supply.
9.
CAUTION!
The motor weighs 22 kg! All lifting
equipment used must be sized accordingly!
and plain washers.
attachment screw holes.
fitting removal tool, motor to the motor
attachment screw holes.
gear and disconnect the brake release
voltage.
out.
4.6.4. Replacement of motor, axis 4
Note
Detailed in section
Draining, oil, gearbox
axis 4 on page
192.
Shown in the figure
Location of motor on
page
317.
Make sure the gasket is not damaged!
Connect to connector R2.MP4
•
+: pin 2
•
-: pin 5
Shown in the figure
Location of motor on
page
317.
Art. no. is specified in
Required
equipment on page
317.
Always use the removal tools in pairs!
Choose the correct lifting tool:
•
lifting tool, motor axis 1, 4 and 5, if
the upper arm is positioned
vertically.
•
lifting tool, motor axis 2, 3 and 4, if
the upper arm is positioned hori-
zontally.
Art. no. is specified in
Required
equipment on page
317.
Make sure the motor pinion is not
damaged!
Continues on next page
4 Repair
Continued
319
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